Question

Решите систему уравнений

Answer 1

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Answer 2

4x-8-3y-9=1
3x+6-2x+2y=5

4x-3y=18
x+2y=-1

4x-3y=18
-4x-8y=4

-11y=22
y=-2

x+2*(-2)=-1
x=3

(3;-2)